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Finding the Fourth Proportional to 10,316,891.20, 14,458,577.60 and 10,316,891.20

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Solution

The fourth proportional to 10,316,891.20, 14,458,577.60 and 10,316,891.20 is: 14,458,577.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,316,891.20 : 14,458,577.60 = 10,316,891.20 : x
  2. Step 2: Convert to fraction form
    10,316,891.20/14,458,577.60 = 10,316,891.20/x
  3. Step 3: Cross multiply
    10,316,891.20x = 14,458,577.60 × 10,316,891.20
  4. Step 4: Simplify right side
    10,316,891.20x = 149,167,572,005,957.09
  5. Step 5: Solve for x
    x = 149,167,572,005,957.09/10,316,891.20
  6. Step 6: Final answer
    x = 14,458,577.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.